ZeroGPT is a free, web-based AI content detector and AI plagiarism checker designed to help you understand whether a piece of writing looks human-made or AI-generated. It works as a ChatGPT detector, but it also supports text produced by many other popular models, including Gemini, Claude AI, and Google Bard. You can paste text directly into the tool or upload a file/document, then run a scan to receive an AI probability score presented as a percentage. The goal is to quickly assess originality and spot passages that may have been written or heavily assisted by AI.
ZeroGPT performs a deep sentence-level analysis and can generate more detailed results through its Deep Scan feature, which highlights sections that appear AI-written versus human-written. This makes it useful not only for detection, but also for editing: you can identify the exact sentences that may need revision, rewriting, or “humanizing.” The service is positioned as easy to access—no sign-up required—and is available online for fast checks whenever you need them.
The tool is commonly used by students, educators, writers, and professionals who want an extra layer of confidence before submitting or publishing content. Whether you are reviewing an essay, validating a blog post draft, checking reports, or evaluating research writing, ZeroGPT helps flag suspicious paragraphs, unusual vocabulary patterns, or sections that read like AI output. It also supports bulk file checking and allows scans up to 2000 words per run, making it practical for frequent or multi-document review.
For support or product inquiries, ZeroGPT provides a contact page on its website, along with an About page for additional company information.
Pro
7.99 /month
Enjoy a Pro Experience without ads, 100,000 Characters per AI detection, 50 Batch files check for AI detection, Generate PDF report for AI detection, History of all your detections (text not included), 2,000 Prompts in ZeroCHAT-4, 750 Words in Plagiarism Checker One-time-only, 1,500 Words in AI Summarizer, 300 Words in AI Paraphraser, Paraphrase in 2 Modes, 1,000 Words in AI Grammar & Spell Check, 500 Words in AI Translator, Generate Emails & Replies with AI
Plus
14.99 /month
Enjoy a Pro Experience without ads, 100,000 Characters per AI detection, 60 Batch files check for AI detection, Generate PDF report for AI detection, History of all your detections (text not included), 2,000 Prompts in ZeroCHAT-4, 25,000 Words in Plagiarism Checker per month, 1,500 Words in AI Summarizer, 300 Words in AI Paraphraser, Paraphrase in 2 Modes, 1,000 Words in AI Grammar & Spell Check, 500 Words in AI Translator, Generate Emails & Replies with AI
Max
18.99 /month
Enjoy a Pro Experience without ads, 150,000 Characters per AI detection, 75 Batch files check for AI detection, Generate PDF report for AI detection, History of all your detections (text not included), 3,500 Prompts in ZeroCHAT-5, 40,000 Words in Plagiarism Checker per month, 10,000 Words in AI Summarizer, 5,000 Words in AI Paraphraser, Paraphrase in Unlimited Modes, 10,000 Words in AI Grammar & Spell Check, 3,000 Words in AI Translator, Generate Emails & Replies with AI, Access ZeroGPT on Whatsapp and Telegram
Beginner (api)
$0.034 /1000 Words (AI Detection)
50,000 Characters per detection, 40 Batch files, 2MB Max file size, History of all your detections (text not included), Unlimited Integrations, Input $0.0035 /1000 Words (Text Transformers), Output $0.008 /1000 Words (Text Transformers), Max 5,000 Words per input (Text Transformers), $0.5 /1000 Words (Plagiarism Checker), ** $0.15 is applied for detection of less than 300 words (Plagiarism Checker)
Pro (api)
$0.049 /1000 Words (AI Detection)
150,000 Characters per detection, 75 Batch files, 5MB Max file size, History of all your detections (text not included), Unlimited Integrations, Input $0.0045 /1000 Words (Text Transformers), Output $0.0095 /1000 Words (Text Transformers), Max 10,000 Words per input (Text Transformers), $0.55 /1000 Words (Plagiarism Checker), ** $0.165 is applied for detection of less than 300 words (Plagiarism Checker)
Vip (api)
$0.069 /1000 Words (AI Detection)
500,000 Characters per detection, 150 Batch files, 15MB Max file size, History of all your detections (text not included), Unlimited Integrations, Input $0.007 /1000 Words (Text Transformers), Output $0.015 /1000 Words (Text Transformers), Max 20,000 Words per input (Text Transformers), $0.6 /1000 Words (Plagiarism Checker), ** $0.18 is applied for detection of less than 300 words (Plagiarism Checker)
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